Washington County, Missouri

Washington County: County in Missouri, United States

About

Washington County is a county located in the U.S. state of Missouri. As of the 2010 census, the population was 25,195 and a population density of 33 people per km². After 10 years in 2020 county had an estimated population of 24,604 inhabitants. Its county seat is Potosi. The county was created 211 years ago in 1812.

Washington County locator map
Location of Washington County on Missouri map.

Quick Facts about Washington County

Population : 24,604 (2020)
Country : United States of America
State : Missouri (United States)
Different from : Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington Parish, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County
Area : 762 km2
Water as percent of area : 0.3%
Land as percent of area : 99.7%
Named for : George Washington
Capital : Potosi
Establishment : January 01, 1813
Time Zone : America/Chicago
Local time : 15:57:24 (25th April 2024)
Density : 32 Pop. per km² as of 2020
Population growth : -2.4% (2010-2020)
Potossi-courthouse enh image
Potossi-courthouse enh
Potossi-courthouse enh image

Geography

Washington County is located at 37°57'42"N 90°52'39"W (37.9616800, -90.8774200). It has 5 neighbors: Crawford County, Franklin County, Iron County, Jefferson County and Saint Francois County.

Washington County map

The largest city of Washington County is Potosi with a population of 2,548. Other cities include, Irondale population 438, Summit population 302 and Caledonia population 126. See all Washington County cities & populated places.

Washington County Populated Places

Cities, towns, neighborhoods & other populated places in Washington County.

City Name Population Title
Potosi 2,548 County seat of Washington County, Missouri, United States
Irondale 438 City in Washington County, Missouri
Mineral Point 353 Village in the United States
Summit 302 Human settlement in Missouri, United States of America
Caledonia 126 City in Washington County, Missouri, United States of America

Washington County has 5 neighbours.

Demographics

According to census records, the population of Washington County decreased by 2.4% in 10 years.

Year Population % Change Method
2010 25,195 - census
2011 25,105 -0.36% estimation process
2012 25,088 -0.07% estimation process
2013 25,144 0.22% estimation process
2014 25,079 -0.26% estimation process
2015 24,793 -1.15% estimation process
2016 24,852 0.24% estimation process
2017 24,994 0.57% estimation process
2018 24,933 -0.24% estimation process
2019 24,730 -0.82% estimation process
2020 24,604 -0.51% estimation process

Comitatul Washington, Comte de Washington, Comté de Washington, Condado de Washington, Condado han Washington, Contea di Washington, Hrabstwo Washington, Okrug Vashington, Quan Washington, Quận Washington, Vashington, Vasington srjan, Washington, Washington Kun, Washington Kūn, Washington konderria, Washington megye, Washingtoni maakond, hua sheng dun xian, raasintana ka'unti, shhrstan washyngtn myzwry, washinton jun, Вашингтон, Округ Вашингтон, Վաշինգտոն շրջան, شهرستان واشینگتن، میزوری, مقاطعة واشنطن, واشنگٹن کاؤنٹی، مسوری, واشنگٹن کاؤنٹی،مسوری, ৱাশিংটন কাউন্টি, ワシントン郡, 華盛頓縣

People born in Washington County (1)

first national park ranger, Yellowstone National Park Harry Yount was born in Washington County

Other places with the same name (30)

Missouri Other Counties (more counties)

County Name Population Title
Saint Louis County 994,020 County in Minnesota, United States
Jackson County 705,925 County in Oregon, United States
Kansas City 495,327 The third most populous city in Missouri and the center of the Kansas City metropolitan area.
Saint Charles County 406,204 County in Missouri, United States
St. Louis 315,685 The second most populous city in Missouri and the center of the St.
Greene County 294,997 County in Tennessee, United States
Clay County 253,463 County in North Carolina, United States
Jefferson County 226,543 County in Missouri, United States
Boone County 182,991 County in West Virginia, United States
Columbia 124,769 The most populous city in the state of Missouri.
Jasper County 121,648 County in South Carolina, United States
Independence 116,774 A city in Jackson County, Missouri.
East Independence 110,675 A census-designated place in Jackson County, Missouri.
Cass County 106,806 County in Missouri, United States
Platte County 106,532 County in Wyoming, United States
Franklin County 104,469 County in Missouri, United States